Olimpiadi della risata
Scooby's All-Star Laff-A-Lympics (original)
Starring Mel Blanc, Casey Kasem, Don Messick, Daws Butler, Frank Welker, Scatman Crothers, Laurel Page, John Stephenson, Heather North, Vernee Watson-Johnson
It's a animation and kids show, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Italy.